Home / 19,242.47-26,553.21-11,172.44

Finding the Fourth Proportional to 19,242.47, 26,553.21 and 11,172.44

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Solution

The fourth proportional to 19,242.47, 26,553.21 and 11,172.44 is: 15,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.47 : 26,553.21 = 11,172.44 : x
  2. Step 2: Convert to fraction form
    19,242.47/26,553.21 = 11,172.44/x
  3. Step 3: Cross multiply
    19,242.47x = 26,553.21 × 11,172.44
  4. Step 4: Simplify right side
    19,242.47x = 296,664,145.53
  5. Step 5: Solve for x
    x = 296,664,145.53/19,242.47
  6. Step 6: Final answer
    x = 15,417.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.